Home / 139,656.32-209,517.29-46,162.07

Finding the Fourth Proportional to 139,656.32, 209,517.29 and 46,162.07

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Solution

The fourth proportional to 139,656.32, 209,517.29 and 46,162.07 is: 69,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,656.32 : 209,517.29 = 46,162.07 : x
  2. Step 2: Convert to fraction form
    139,656.32/209,517.29 = 46,162.07/x
  3. Step 3: Cross multiply
    139,656.32x = 209,517.29 × 46,162.07
  4. Step 4: Simplify right side
    139,656.32x = 9,671,751,807.19
  5. Step 5: Solve for x
    x = 9,671,751,807.19/139,656.32
  6. Step 6: Final answer
    x = 69,253.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.